mathjs/lib/esm/function/algebra/sparse/csUnflip.js

Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expression parser with support for symbolic computation, comes with a large set of built-in functions and constants, and offers an integrated solution to work with dif

// Copyright (c) 2006-2024, Timothy A. Davis, All Rights Reserved.
// SPDX-License-Identifier: LGPL-2.1+
// https://github.com/DrTimothyAldenDavis/SuiteSparse/tree/dev/CSparse/Source
import { csFlip } from './csFlip.js';

/**
 * Flips the value if it is negative of returns the same value otherwise.
 *
 * @param {Number}  i               The value to flip
 */
export function csUnflip(i) {
  // flip the value if it is negative
  return i < 0 ? csFlip(i) : i;
}